Fortinet FortiOS System File Leak

The Cybersecurity and Infrastructure Security Agency CISA is aware of the possible exposure of passwords on Fortinet devices that are vulnerable to CVE 2018-13379. Exploitation of this vulnerability may allow an unauthenticated attacker to access FortiOS system files. Potentially affected devices...

Chinese Malicious Cyber Activity

The Cybersecurity and Infrastructure Security Agency CISA, the Federal Bureau of Investigation FBI, and the Department of Defense DoD have identified a malware variant—referred as TAIDOOR—used by the Chinese government. In addition, U.S. Cyber Command has released the malware sample to the malwar...

Save the Date: 2019 CISA Cybersecurity Summit

The Cybersecurity and Infrastructure Security Agency CISA will be hosting the 2019 CISA Cybersecurity Summit from September 18-20, 2019, at National Harbor, MD. This summit will provide a forum for critical infrastructure stakeholders to discuss current cybersecurity topics, including emerging...

MS-ISAC Releases Security Primer on TrickBot Malware

The Multi-State Information Sharing and Analysis Center MS-ISAC has released a security primer on TrickBot malware. TrickBot is a modular banking Trojan that targets users’ financial information and acts as a dropper for other malware. An attacker can leverage TrickBot’s modules to steal banking...

CISA Releases Blog on Emergency Directive

The U.S. Department of Homeland Security DHS Cybersecurity and Infrastructure Security Agency CISA Director Christopher Krebs, has released a blog, titled “Why CISA Issued Our First Emergency Directive,” to explain considerations in issuing Emergency Directive 19-01 on January 22, 2019. The...

Microsoft Releases December 2018 Security Updates

Microsoft has released updates to address multiple vulnerabilities in Microsoft software. An attacker could exploit some of these vulnerabilities to obtain access to sensitive information. The National Cybersecurity and Communications Integration Center NCCIC, part of the Cybersecurity and...

BlueBorne Bluetooth Vulnerabilities

US-CERT is aware of a collection of Bluetooth vulnerabilities, known as BlueBorne, potentially affecting millions of unpatched mobile phones, computers, and Internet of Things IoT devices. A remote attacker could exploit several of these vulnerabilities to take control of affected devices. US-CER...

Adobe Releases Security Update for Adobe ColdFusion

Adobe has released a security hotfix for ColdFusion versions 10, 9.0.2, 9.0.1, and 9.0 for Windows, Macintosh and Linux to address multiple vulnerabilities. This hotfix addresses a reflected cross site scripting vulnerability CVE-2013-5326 that could be exploited by a remote, authenticated user a...

Adobe Releases Security Updates for Reader and Acrobat

Adobe has released updates for Adobe Reader and Acrobat for Windows, Macintosh, and UNIX. These updates address multiple vulnerabilities including those described in Adobe security advisory APSA10-02 and Flash Player security bulletin APSB10-22. Exploitation of these vulnerabilities may allow an...

Adobe Releases Security Update for Adobe Reader and Acrobat

Adobe has released an update for Reader and Acrobat to address multiple vulnerabilities. These vulnerabilities affect the following versions: Adobe Reader 9.3.3 and earlier versions for Windows, Macintosh, and UNIX Adobe Acrobat 9.3.3 and earlier versions for Windows and Macintosh Exploitation of...

Google Releases Chrome 4.0.249.78

Google has released Chrome 4.0.249.78 for Windows to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code, obtain sensitive information, bypass security restrictions, or cause a denial-of-service condition. US-CERT encourages users and...

CISA Adds Five Known Exploited Vulnerabilities to Catalog

CISA has added five new vulnerabilities to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2018-14634link is external Linux Kernel Integer Overflow Vulnerability CVE-2025-52691link is external SmarterTools SmarterMail Unrestricted Upload of File with...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2025-58034link is external Fortinet FortiWeb OS Command Code Injection Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-20399 Cisco NX-OS Command Injection Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risk...

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2024-23225 Apple iOS and iPadOS Memory Corruption Vulnerability CVE-2024-23296 Apple iOS and iPadOS Memory Corruption Vulnerability These types of vulnerabilities a...

Adobe Releases Security Updates for ColdFusion

On Nov. 14, 2023, Adobe released security updates addressing vulnerabilities affecting unpatched ColdFusion software. Exploitation of some of these vulnerabilities may allow a malicious cyber actor to take control of an affected system. CISA urges organizations to review Adobe ColdFusion security...

CISA, FBI, and MS-ISAC Release Advisory on Rhysida Ransomware

Today, the Cybersecurity and Infrastructure Security Agency CISA, the Federal Bureau of Investigation FBI, and the Multi-State Information Sharing and Analysis Center MS-ISAC released a joint Cybersecurity Advisory CSA, StopRansomware: Rhysida Ransomware, to disseminate known Rhysida ransomware...

CISA, FBI, and MS-ISAC Release Joint Advisory on Atlassian Confluence Vulnerability CVE-2023-22515

Today, CISA, the Federal Bureau of Investigation FBI, and the Multi-State Information Sharing and Analysis Center MS-ISAC released a joint Cybersecurity Advisory CSA in response to the active exploitation of CVE-2023-22515. This critical vulnerability affects certain versions of Atlassian...

HTTP/2 Rapid Reset Vulnerability, CVE-2023-44487

Researchers and vendors have disclosed a denial-of-service DoS vulnerability in HTTP/2 protocollink is external. The vulnerability CVE-2023-44487link is external, known as Rapid Reset, has been exploited in the wild in August 2023 through October 2023. CISA recommends organizations that provide...

Adobe Releases Security Updates for Multiple Products

Adobe has released security updates to address multiple vulnerabilities in Adobe software. An attacker can exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following Adobe Security Bulletins and apply the necessary updates...

CISA Releases Three Industrial Control Systems Advisories

CISA has released three 3 Industrial Control Systems ICS advisories on December 13, 2022. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. CISA encourages users and administrators to review the newly released ICS advisories...

CISA and NSA Publish Joint Cybersecurity Advisory on Control System Defense

CISA and the National Security Agency NSA have published a joint cybersecurity advisory about control system defense for operational technology OT and industrial control systems ICSs. Control System Defense: Know the Opponent is intended to provide critical infrastructure owners and operators wit...

CISA and ACSC Release Top 2021 Malware Strains

CISA and the Australian Cyber Security Centre ACSC have published a joint Cybersecurity Advisory on the top malware strains observed in 2021. Malicious cyber actors often use malware to covertly compromise and then gain access to a computer or mobile device. As malicious cyber actors have been...

ACSC Releases Annual Cyber Threat Report

The Australian Cyber Security Centre ACSC has released its annual report on key cyber security threats and trends for the 2020–21 financial year. The report lists the exploitation of the pandemic environment, the disruption of essential services and critical infrastructure, ransomware, the rapid...

Google Releases Security Updates for Chrome

Google has updated the stable channel for Chrome to 90.0.4430.72 for Windows, Mac, and Linux. This version addresses vulnerabilities that an attacker could exploit to take control of an affected system. CISA encourages users and administrators to review the Chrome release and apply the necessary...

Juniper Networks Releases Security Updates for Multiple Products

Juniper Networks has released security updates to address vulnerabilities affecting multiple products. An attacker could exploit some of these vulnerabilities to cause take control of an affected system. CISA encourages users and administrators to review the Juniper Networks security advisories...

NSA Cybersecurity Directorate Releases 2020 Year in Review

The National Security Agency NSA Cybersecurity Directorate has released its 2020 Year in Review, outlining key milestones and mission outcomes achieved during NSA Cybersecurity’s first full year of existence. Highlights include NSA Cybersecurity’s contributions to the 2020 elections, Operation Wa...

Heightened Awareness for Iranian Cyber Activity

Iranian cyber threat actors have been continuously improving their offensive cyber capabilities. They continue to engage in more conventional offensive cyber activities ranging from website defacement, distributed denial of service DDoS attacks, and theft of personally identifiable information PI...

Oracle Releases July 2019 Security Bulletin

Oracle has released its Critical Patch Update for July 2019 to address 319 vulnerabilities across multiple products. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. The Cybersecurity and Infrastructure Security Agency CISA encourages users and...

Potential Hurricane Florence Phishing Scams

NCCIC warns users to remain vigilant for malicious cyber activity seeking to exploit interest in Hurricane Florence. Fraudulent emails commonly appear after major natural disasters and often contain links or attachments that direct users to malicious websites. Users should exercise caution in...

VMWare Releases Security Updates

VMware has released a security update to address vulnerabilities in vSphere Hypervisor ESXi, Workstation Pro, Workstation Player, Fusion, and Tools. Exploitation of one of these vulnerabilities could allow a remote attacker to take control of an affected system. US-CERT encourages users and...

Google Releases Chrome 16.0.912.75

Google has released Chrome 16.0.912.75 for Linux, Mac, Windows, and Chrome Frame to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code. US-CERT encourages users and administrators to review the Google Chrome Releases blog entry and update to...

Multiple Programming Language Implementations Vulnerable to Hash Table Collision Attacks

US-CERT is aware of reports stating that multiple programming language implementations, including web platforms, are vulnerable to hash table collision attacks. This vulnerability could be used by an attacker to launch a denial-of-service attack against websites using affected products. The Ruby...

Apple Releases QuickTime 7.7.1

Apple has released QuickTime 7.7.1 to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code, cause a denial-of-service condition, or obtain sensitive information. US-CERT encourages users and administrators to review Apple Support Article HT5016 a...

Microsoft Releases October Security Bulletin

Microsoft has released updates to address vulnerabilities in Microsoft Windows, .NET Framework, Server Software, Office, and Internet Explorer as part of the Microsoft Security Bulletin Summary for October 2010. These vulnerabilities may allow an attacker to execute arbitrary code, obtain sensiti...

​​Supply Chain Compromise Impacts Axios Node Package Manager​

The Cybersecurity and Infrastructure Security Agency CISA is releasing this alert to provide guidance in response to the software supply chain compromise of the Axios node package manager npm.1 Axios is an HTTP client for JavaScript that developers commonly use in Node.js and browser environments...

CISA Urges Endpoint Management System Hardening After Cyberattack Against US Organization

CISA is aware of malicious cyber activity targeting endpoint management systems of U.S. organizations based on the March 11, 2026 cyberattack against U.S.-based medical technology firm Stryker Corporation, which affected their Microsoft environment.1 To defend against similar malicious cyber...

​​Spyware Allows Cyber Threat Actors to Target Users of Messaging Applications​

CISA is aware of multiple cyber threat actors actively leveraging commercial spyware to target users of mobile messaging applications apps.1 These cyber actors use sophisticated targeting and social engineering techniques to deliver spyware and gain unauthorized access to a victim’s messaging app...

CISA Releases 10 Industrial Control Systems Advisories

CISA released 10 Industrial Control Systems ICS advisories. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-25-294-01 Rockwell Automation 1783-NATR ICSA-25-294-02 Rockwell Automation Compact GuardLogix 5370...

CISA Releases Six Industrial Control Systems Advisories

CISA released six Industrial Control Systems ICS advisories on July 24, 2025. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-25-205-01 Mitsubishi Electric CNC Series ICSA-25-205-02 Network Thermostat X-Series WiFi...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2018-15133 Laravel Deserialization of Untrusted Data Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose...

Juniper Networks Releases Security Advisory for Junos OS and Junos OS Evolved

Juniper Networks has released a security advisory that addresses a vulnerability in Junos OS and Junos OS Evolved. A remote attacker could exploit this vulnerability to cause a denial-of-service condition. CISA encourages users and administrators to review the Juniper Security Advisory for...

CISA Releases Two Industrial Control Systems Advisories

CISA released two 2 Industrial Control Systems ICS advisories on February 21, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. CISA encourages users and administrators to review the newly released ICS advisories for...

CISA, NSA, and ODNI Release Guidance for Customers on Securing the Software Supply Chain 

Today, CISA, the National Security Agency NSA, and the Office of the Director of National Intelligence ODNI, published the third of a three-part series on securing the software supply chain: Securing Software Supply Chain Series - Recommended Practices Guide for Customers. This publication follow...

Microsoft Releases July 2022 Security Updates

Microsoft has released updates to address multiple vulnerabilities in Microsoft software. An attacker can exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Microsoft’s July 2022 Security Update and Deployment Informatio...

North Korean State-Sponsored APT Targets Blockchain Companies

CISA, the Federal Bureau of Investigation FBI, and the U.S. Treasury Department have released a joint Cybersecurity Advisory CSA that details cyber threats associated with cryptocurrency thefts and tactics used by a North Korean state-sponsored advanced persistent threat APT actor known as the...

FBI Releases Indicators of Compromise Associated with LockBit 2.0 Ransomware

The Federal Bureau of Investigation FBI has released a Flash report detailing indicators of compromise IOCs associated with attacks, using LockBit 2.0, a Ransomware-as-a-Service that employs a wide variety of tactics, techniques, and procedures, creating significant challenges for defense and...

Kaseya VSA Supply-Chain Ransomware Attack

CISA is taking action to understand and address the recent supply-chain ransomware attack against Kaseya VSA and the multiple managed service providers MSPs that employ VSA software. CISA encourages organizations to review the Kaseya advisory and immediately follow their guidance to shutdown VSA...

Update to CISA-FBI Joint Cybersecurity Advisory on DarkSide Ransomware

CISA and the Federal Bureau of Investigation FBI have updated Joint Cybersecurity Advisory AA21-131A: DarkSide Ransomware: Best Practices for Preventing Disruption from Ransomware Attacks, originally released May 11, 2021. This update provides a downloadable STIX file of indicators of compromise...

Google Releases Security Updates for Chrome

Google has released Chrome version 90.0.4430.93 for Windows, Mac, and Linux. This version addresses vulnerabilities that an attacker could exploit to take control of an affected system. CISA encourages users and administrators to review the Chrome Release Note and apply the necessary updates. Thi...